Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird-debuginfo package, versions <0:78.7.0-1.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.26% (66th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Access of Resource Using Incompatible Type ('Type Confusion') vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-1694700
  • published27 Sept 2021
  • disclosed26 Feb 2021

Introduced: 26 Feb 2021

CVE-2021-23954  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:78.7.0-1.amzn2 or higher.
This issue was patched in ALAS2-2021-1603.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird-debuginfo package and not the thunderbird-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

CVSS Scores

version 3.1